â¤0.2 mg/dL. Measurement of the levels of bilirubin is used in the diagnosis and treatment of liver, hemolytic, hematologic, and metabolic disorders, including hepatitis and gall bladder obstruction. The assessment of direct bilirubin is helpful in the differentiation of hepatic disorders.
Ritchie Valens. In an all too brief career, Ritchie Valens was the first Chicano rock and roll star, having his best remembered hit, La Bamba, just one month before his untimely death with Buddy Holly and the Big Bopper on February 3, 1959.
Please try again later. Ritchie Valens' family members, along with Buddy Holly's widow Maria (in black beret), join Los Lobos and Los Lonely Boys at the Surf Ballroom in Clear Lake, Iowa, in a rockin' rendition of La Bamba in honor of the late, great Ritchie Valens.lease try again later. Ritchie Valens' family members, along with Buddy Holly's widow Maria (in black beret), join Los Lobos and Los Lonely Boys at the Surf Ballroom in Clear Lake, Iowa, in a rockin' rendition of La Bamba in honor of the late, great Ritchie Valens.